Short-term Effects of Tillage Practices on Organic Carbon in Clay Loam Soil of Northeast China

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Short-term Effects of Tillage Practices on Organic Carbon in Clay Loam Soil of Northeast China

机译：耕作方式对东北黏土壤土有机碳的短期影响

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A tillage experiment, consisting of moldboard plow (MP), ridge tillage (RT), and no-tillage (NT), was performed in a randomized complete block design with four replicates to study the effect of 3-year tillage management on SOC content and its distribution in surface layer (30 cm) of a clay loam soil in northeast China. NT did not lead to significant increase of SOC in topsoil (0-5 cm) compared with MP and RT; however, the SOC content in NT soil was remarkably reduced at a depth of 5-20 cm. Accordingly, short-term (3-year) NT management tended to stratify SOC concentration, but not necessarily increase its storage in the plow layer for the soil.

机译：在一个随机完整块设计中进行了由mold草犁（MP），垄耕（RT）和免耕（NT）组成的耕作实验，一式四份，以研究3年耕作管理对SOC含量的影响及其在中国东北壤土的表层（30 cm）中的分布。与MP和RT相比，NT不会使表土（0-5 cm）的SOC显着增加。然而，在5-20cm的深度下，NT土壤中的SOC含量显着降低。因此，短期（3年）NT处理倾向于将SOC浓度分层，但不一定增加其在土壤耕层中的存储量。

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《土壤圈（英文版）》 |2007年第5期|619-623|共5页
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Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012,China;

Graduate School of the Chinese Academy of Sciences, Beijing 100049,China;

Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012,China;

Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012,China;

Graduate School of the Chinese Academy of Sciences, Beijing 100049,China;

Greenhouse & Processing Crops Research Centre, Agriculture & Agri-Food Canada, Harrow, Ontario, N0R 1G0 (Canada);

Greenhouse & Processing Crops Research Centre, Agriculture & Agri-Food Canada, Harrow, Ontario, N0R 1G0 (Canada);

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类农业基础科学;
关键词
clay loam soil, moldboard plow, no-tillage, ridge tillage, soil organic carbon;

机译：粘土壤土;mold犁;免耕;垄耕;土壤有机碳;
入库时间 2022-08-19 04:04:15

Short-term Effects of Tillage Practices on Organic Carbon in Clay Loam Soil of Northeast China

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